WO2021043305A1 - 面罩及头戴式显示设备 - Google Patents

面罩及头戴式显示设备 Download PDF

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Publication number
WO2021043305A1
WO2021043305A1 PCT/CN2020/113781 CN2020113781W WO2021043305A1 WO 2021043305 A1 WO2021043305 A1 WO 2021043305A1 CN 2020113781 W CN2020113781 W CN 2020113781W WO 2021043305 A1 WO2021043305 A1 WO 2021043305A1
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WO
WIPO (PCT)
Prior art keywords
face
elastic
hole
mask
shaped
Prior art date
Application number
PCT/CN2020/113781
Other languages
English (en)
French (fr)
Inventor
彭成
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP20860419.9A priority Critical patent/EP4016168A4/en
Priority to US17/640,732 priority patent/US20220326524A1/en
Publication of WO2021043305A1 publication Critical patent/WO2021043305A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view

Definitions

  • This application relates to the technical field of wearable devices, in particular to a face mask and a head-mounted display device.
  • a head-mounted display device generally includes a display device and a face mask.
  • the face mask fits the human face to form a closed space to enhance the user's sense of immersion.
  • multiple layers of foam are usually used to increase the thickness of the face-fitting face, so that the mask can be matched with faces of different facial shapes.
  • the thicker the face-sticking part leads to the more air-permeable mask. Poor, affect the wearing comfort of the mask.
  • the embodiments of the present application provide a face mask and a head-mounted display device, which are used to reduce the thickness of the face mask attached to the face, improve the air permeability of the face mask, and thereby improve the wearing comfort of the face mask.
  • an embodiment of the present application provides a face mask, which includes a bracket, an elastic support, and a face-attaching elastic piece.
  • the bracket is provided with a lens hole, and the face-attaching elastic piece passes through the elastic support and the bracket.
  • the middle part of the face-attaching elastic piece is recessed toward the bracket, the face-attaching elastic piece is provided with an eyepiece hole opposite to the lens hole, and the middle of the lower side of the face-attaching elastic piece is provided with a nose pad.
  • both the face-attaching elastic sheet and the elastic support member can deform under stress. Therefore, when different users wear the mask, the face-attaching elastic sheet can be deformed adaptively according to different face shapes , So that the face shrapnel can be fitted to the faces of different users.
  • the deformation of the face shrapnel can be used to fit different face shapes, which greatly reduces the amount of face masks.
  • the amount of foam applied to the face reduces the thickness of the face mask attached to the face, improves the breathability of the face mask, and further improves the wearing comfort of the face mask.
  • the amount of foam is greatly reduced, the volume of the mask can also be significantly reduced, which improves the portability of the mask.
  • the face-attaching elastic sheet is a ring-shaped elastic sheet, and the hole enclosed by the ring-shaped elastic sheet is the eyepiece hole.
  • the face-attached shrapnel has a large deformation range, so that it can be matched with a larger range of face shapes, and the applicability of the mask is improved.
  • the middle of the lower side of the ring-shaped elastic piece is recessed to form the nose pad portion, and a part of the ring-shaped elastic piece forming the nose pad portion is twisted relative to the rest of the ring-shaped elastic piece. Set the angle.
  • the eyepiece hole includes a left eyepiece hole portion and a right eyepiece hole portion located on both sides of the nose pad portion, and the left eyepiece hole portion and the right eyepiece hole portion communicate with each other on the side opposite to each other. .
  • a left spectacle lens hole and a right spectacle lens hole are provided in the frame plate, and the left spectacle lens hole and the right spectacle lens hole constitute the lens hole.
  • an arc-shaped notch is provided in the middle of the lower side edge of the frame plate, and the arc-shaped notch is opposite to the nose pad portion.
  • the support includes a frame, a nose pad portion is provided in the middle of the lower side of the frame, and the lens frame is provided with a left eyeglass hole and a right lens hole located on both sides of the nose pad.
  • a spectacle lens hole, and the left spectacle lens hole and the right spectacle lens hole constitute the lens hole.
  • At least one weight-reducing hole is provided in the area between the left eyeglass hole and the right eyeglass hole in the bracket.
  • the bracket includes a sheet-shaped frame, and a hole surrounded by the sheet-shaped frame is the lens hole.
  • an arc-shaped recess is provided in the middle of the lower side of the sheet-shaped frame, and the arc-shaped recessed portion is recessed toward the upper side of the sheet-shaped frame.
  • the elastic support member is a long elastic strip.
  • a long elastic strip is used to connect the bracket and the face-attaching elastic sheet, so that the face-attaching elastic sheet has a larger deformation range and improves the applicability of the mask.
  • the left and right sides of the face-attaching elastic sheet are each connected to the left and right sides of the bracket through a long elastic strip.
  • the middle part of the face-attaching elastic sheet is connected to the middle part of the bracket through a long elastic strip.
  • the elastic support member is a U-shaped elastic strip or a V-shaped elastic strip
  • the left and right sides of the face elastic sheet are connected to each other through a U-shaped elastic strip or a V-shaped elastic strip.
  • the left and right sides of the bracket are connected.
  • the elastic support is the same elastic sheet as the face elastic sheet, the middle of the elastic support is connected to the middle of the bracket, and the left and right sides of the elastic support It is connected with the left and right sides of the face elastic piece.
  • the face mask further includes a light-shielding cloth, which covers the space between the face elastic piece and the bracket.
  • an embodiment of the present application provides a head-mounted display device, including the face mask described in the first aspect above, and a display device provided at the front end of the face mask.
  • the head-mounted display device provided by the embodiment of the present application includes the face mask described in the first aspect, the head-mounted display device also has the advantages of the above-mentioned face mask, which will not be repeated here.
  • FIG. 1 is a schematic structural diagram of a head-mounted display device provided by an embodiment of the application
  • FIG. 2 is a schematic diagram of the structure of the face mask provided in Embodiment 1 of the application before being worn;
  • FIG. 3 is a schematic diagram of the structure of the mask provided in Embodiment 1 of the application after being worn;
  • Example 4 is a comparison diagram of the mask provided in Example 1 of the application before and after being worn;
  • Fig. 5 is a rear perspective view of the mask provided in the second embodiment of the application.
  • Fig. 6 is a front perspective view of the mask provided in the second embodiment of the application.
  • Figure 7 is a front view of Figure 6;
  • Figure 8 is a rear view of Figure 6;
  • Figure 9 is a left side view of Figure 6;
  • Figure 10 is a right side view of Figure 6;
  • Figure 11 is a top view of Figure 6;
  • Figure 12 is a bottom view of Figure 6;
  • Fig. 13 is a rear perspective view of the face mask provided in the third embodiment of the application.
  • FIG. 14 is a front perspective view of the face mask provided by the third embodiment of the application.
  • Figure 15 is a bottom view of Figure 14;
  • Fig. 16 is a rear view of Fig. 14.
  • the mask provided in the embodiments of this application is suitable for virtual reality headsets (Virtual Reality, referred to as VR headsets), augmented reality headsets (Augmented Reality, referred to as AR headsets), or hybrid display headsets Display devices (Mixed Reality, referred to as MR headsets for short) and other head-mounted display devices, the following will take a mask in a virtual reality head-mounted display device as an example for description.
  • a virtual reality head-mounted display device usually includes a mask 1 and a display device 2 installed at the front end of the mask 1.
  • the display device 2 can be a mobile phone, a game console, or a tablet computer that can display text, images, or animations.
  • the front end of the mask 1 is provided with a display device 2 and the rear end of the mask is attached to the user's face to block external light from entering between the user's glasses and the display device 2 to enhance the user's sense of immersion.
  • the face-attaching elastic sheet is used in the part of the mask that is attached to the user's face, and the face-attaching elastic sheet can produce a certain deformation when subjected to external force, so that when different users wear the mask, it depends on the face shape of the user.
  • the face-attached shrapnel can be deformed adaptively, so that the face-attached shrapnel can be fitted to the faces of different users.
  • the use of the face-attached shrapnel can ensure It fits the faces of different users, and significantly reduces the amount of foam, thereby improving the breathability of the mask, thereby improving the wearing comfort of the mask.
  • the mask provided in the first embodiment of the present application includes a bracket 10, an elastic support 20 and a face elastic piece 30.
  • the bracket 10 includes a frame plate 11 and two lens holes 12 provided in the frame plate 11.
  • the frame plate 11 is a rectangular plate, and the four corners of the rectangular plate have rounded corners to improve the aesthetics of the frame plate 11.
  • the four corners of the frame frame 10 are designed with rounded corners, which can prevent scratches to users and improve the safety of the mask. Sex.
  • the two lens holes 12 are arranged inside the frame plate, and the two lens holes 12 are arranged symmetrically with respect to the center of the frame plate 11.
  • the two lens holes 12 are respectively opposite to the user's eyes, and the one opposite to the user's left eye
  • the lens hole 12 may be referred to as a left spectacle lens hole
  • the lens hole 12 opposite to the user's right eye may be referred to as a right spectacle lens hole.
  • the lens hole 12 is used for accommodating the lens, and the lens may be a convex lens, or a combination of several convex lenses and concave lenses.
  • the lens hole 12 includes, but is not limited to, a round hole, an elliptical hole, a triangular hole, a square hole, or a polygonal hole.
  • the lens hole is a round hole, and the corresponding lens installed in the lens hole 12 is a round lens.
  • the elastic support 20 is a long elastic strip, which is used to connect the bracket 10 and the face elastic piece 30 together. In addition, when the user wears a mask, the elastic support 20 will also deform to a certain extent to make the face elastic piece 30 Better fit with the user's face.
  • the number of elastic supports 20 can be one, two or more than two. When different numbers of elastic supports 20 are used to connect the bracket 10 and the face elastic piece 30, the elastic supports 20 are connected to the bracket 10 and the face elastic piece 30 respectively There are also many options for location.
  • the two ends of the elastic support 20 are usually connected to the middle of the frame plate 11 and the middle of the face elastic sheet 30, that is, one end of the elastic support 20 is connected to the middle of the frame plate 11, and the other One end is connected to the middle of the face-attached elastic piece 30.
  • the two elastic support members 20 can be connected to the left and right sides of the frame plate. One end of the elastic support member 20 is connected to the left side of the frame plate 11, and the other One end is connected to the left side of the face elastic piece 30; one end of the other elastic support 20 is connected to the right side of the frame plate 11, and the other end is connected to the right side of the face elastic piece 30.
  • two elastic support members 20 are both arranged in the middle of the frame plate 11, one end of the elastic support member 20 is connected to the upper side of the frame plate 11, and one end of the other elastic support member 20 is connected to the lower side of the frame plate 11.
  • the other end of one elastic support 20 is connected to the upper side of the face elastic piece 30, and the other end of the other elastic support 20 is connected to the lower side of the face elastic piece 30 connection.
  • the three elastic supports 20 are respectively connected to the left, middle, and right sides of the frame 11, that is, along the frame 11 11 From left to right, the left, middle, and right sides of the frame plate 11 are each connected to one end of an elastic support 20, and the other ends of the three elastic supports 20 are connected to the left and middle parts of the face elastic piece 30, respectively. Connect with the right side. It is understandable that on both sides of the frame plate 11, two or more elastic supports 20 can be used to connect to the face elastic piece 30 on one side such as the left side, and the other side such as the right side and the left side can be used.
  • the same or different number of elastic supports 20 are connected to the face elastic piece 30; in addition, when two or more elastic supports 20 are provided on the left and/or right side of the frame plate 11, the elasticity on the same side
  • the supporting members 20 can be arranged in parallel to each other, or can be arranged in a crossed manner.
  • the middle part of the face-attaching shrapnel 30 is recessed toward the support 10, and along the frame 11 from left to right, the face-attaching shrapnel 30 is roughly arc-shaped, and the contour shape of the face-attaching shrapnel 30 is similar to that of the user's face, more specifically
  • the contour shape of the face-attached elastic piece 30 is similar to the facial contour above the user's nose, and the face-attached elastic piece 30 can fit the user's face when the user wears a mask.
  • the face-attaching elastic piece 30 is made of an elastic material, so that the face-attaching elastic piece can be deformed under the action of external force, so that the face-attaching elastic piece 30 can fit with different face shapes and improve the applicability of the mask.
  • the face-attaching elastic sheet 30 in Figure 2 is in a state where no external force is applied.
  • the face-attaching elastic sheet 30 is in an arc shape;
  • the face-attaching elastic sheet 30 in Figure 3 is in a state of being subjected to external force.
  • the face-attached shrapnel 30 in FIG. 3 has a certain deformation relative to the face-attached shrapnel 30 in FIG. 2.
  • FIG. 4 is a comparison diagram of the face-attached shrapnel 30 before and after the external force is applied.
  • the dotted line is the shape of the elastic support 20 and the face elastic piece 30 before the external force is applied.
  • the face-attaching elastic sheet 30 includes a ring-shaped elastic sheet 31, which is a sheet-shaped elastic sheet with an opening inside.
  • the opening inside the ring-shaped elastic sheet 31 is an eyepiece hole 32, and the eyepiece hole 32 may be a long rectangular shape. Hole, the content displayed by the display device enters the user's eyes after passing through the lens hole 12 and the eyepiece hole 32.
  • the ring-shaped elastic piece 31 includes oppositely arranged left and right sides, and oppositely arranged upper and lower sides, wherein the upper and lower sides are located between the left and right sides, and are respectively connected to The left side and the right side are connected, the left side, the right side, the upper side and the lower side can be an integral structure, and the left side, the right side, the upper side and the lower side surround the eyepiece hole 12.
  • the surface of the ring-shaped elastic sheet 31 facing away from the bracket 10 is the face-facing surface, and the face-facing surface is the surface that is attached to the user's face.
  • the width w of each side of the annular elastic piece 31 is greater than the thickness h of the annular elastic piece, so that when the face-facing surface of the annular elastic piece 31 fits the user's face, the contact area between the annular elastic piece 31 and the user's face is larger, which prevents or relieves the user from wearing for a long time
  • the ring-shaped shrapnel 31 is squeezed into the user's face, causing obvious indentation or strangulation on the face of the user.
  • the left and right sides of the ring-shaped elastic piece 31 are respectively connected to the left and right sides of the frame plate 11 through the elastic support 20.
  • the upper and lower sides of the ring-shaped elastic piece 31 are arc-shaped, and the middle of the lower side of the ring-shaped elastic piece 31 is recessed toward the stent 10 to form a nose pad portion 33.
  • Part of the elastic pieces constituting the nose pad portion 33 is relative to the rest of the lower side.
  • the area torsion sets the angle, in other words, the elastic piece located in the nose pad is inclined to a certain angle relative to the elastic in other areas on the lower side, and the angle is greater than 0 degrees and less than 90 degrees.
  • the part of the annular elastic piece 31 located at the nose pad 33 fits the user's nose, and the annular elastic piece 31 outside the nose pad 33 fits the user's face.
  • This design on the one hand, can improve the adhesion.
  • the face elastic piece 30 fits the user's face.
  • the nose pad 33 is stuck on the user's nose to support the mask, prevent the mask from slipping off the user's face, and improve the comfort of the mask.
  • both the face-attaching elastic sheet 30 and the elastic support 20 can be deformed under external force. Therefore, when different users wear the mask, both the face-attaching elastic sheet 30 and the elastic support 20 will There are different degrees of deformation, that is, the face-attached elastic piece 30 and the elastic support 20 will be adaptively deformed according to the face shape of the user, so that the face-attached elastic piece 30 fits the user’s face, and the related technology uses multiple layers of foam. Compared to adapt to different face shapes, it can be applied to different face shapes without using multiple layers of foam. The thickness of the face mask is significantly reduced, thereby improving the breathability of the face mask and further improving the wearing comfort of the face mask. In addition, since the amount of foam is greatly reduced, the volume of the face mask is also significantly reduced, which improves the portability of the face mask.
  • the material of the bracket 10, the elastic support 20 and the face elastic piece 30 may be plastic, metal or alloy.
  • the bracket 10, the elastic support 20 and the face elastic piece 30 may be an integrally formed structure, for example, a stent 10.
  • the elastic support 20 and the face elastic piece 30 are an integral injection molded part, but not limited to this.
  • the bracket 10, the elastic support 20 and the face elastic piece 30 can also be independent individuals, through screws, Connecting methods such as welding or bonding form the above-mentioned mask structure.
  • the bracket 10, the elastic support member 20 and the face elastic piece 30 are respectively titanium alloy pieces, and the three are connected together by welding.
  • the above-mentioned face mask usually also includes a headband, and the two ends of the headband can be connected to the left and right sides of the frame plate 11, or connected to the left and right sides of the face elastic sheet 30,
  • the headband When the user wears the mask, by adjusting the headband, the mask can be fixed on the user's face.
  • the tension generated by the headband will act on the face-attaching elastic piece 30 and the elastic support 20, causing the face-attaching elastic piece 30 to be deformed, so that the shape of the face-attaching elastic piece 30 matches the user's face, thereby making the face-attaching elastic piece 30 fit On the user's face.
  • the mask provided in the first embodiment of the present application generally also includes a light-shielding cloth, where the light-shielding cloth generally covers the side of the bracket 10 and the side of the face elastic sheet 30, and is used to cover the space between the bracket 10 and the face elastic sheet 30 to prevent users from wearing the mask Afterwards, external light enters the inside of the mask.
  • the elastic support strip 20 is covered by the shading cloth. On the one hand, the shading effect can be improved. On the other hand, the elastic support strip 20 can be hidden inside the shading cloth, so that the design of the outer surface of the mask is simple and the appearance of the mask is improved. Sex.
  • the face mask generally also includes foam, and the foam is a single-layer foam.
  • the foam is generally arranged on the face-attached surface where the face-attaching elastic sheet 30 fits the user’s face to improve the wearing of the face-mask. Comfort.
  • the shape and size of the foam are the same as or similar to the face shrapnel 30, and the middle of the foam is provided with a through hole corresponding to the eyepiece hole 32 to prevent the foam from blocking light from entering the user's glasses and ensuring the viewing angle range of the mask.
  • the foam is generally wrapped in a shading cloth. The shading cloth can protect the foam, prevent the foam from being damaged, and prolong the service life of the foam.
  • the mask provided in the second embodiment of the present application includes a bracket 10, an elastic support 20, and a face elastic piece 30.
  • the bracket 10 includes a frame 14 and two lens holes 12 arranged in the frame 14, wherein The lens frame 14 is similar to the eyeglass frame.
  • the eyeglass frame 14 includes two lens frames and a beam connecting the two lens frames.
  • Each lens frame is provided with a lens hole 12, and the two lens holes 12 are arranged symmetrically with respect to the center of the lens frame 14.
  • the lens hole 12 is used to accommodate the lens.
  • the lens hole 12 includes but is not limited to a round hole, an elliptical hole, a triangular hole, a square hole or a polygonal hole.
  • the lens hole is a round hole and is correspondingly installed in the lens hole 12
  • the middle lens is a round lens.
  • the beam part can be integrally formed with the two lens frames. As shown in Figures 7 and 8, the beam part is provided with at least one lightening hole 16 and at least one mounting hole 15, or in other words, the lightening hole 16 and the mounting hole 15 are arranged at The area of the frame 11 between the two lens holes 12 is designed in this way.
  • the weight of the bracket 10 can be reduced, thereby reducing the weight of the mask, so as to avoid facial fatigue when the user wears the mask for a long time.
  • it can also reduce
  • the heavy holes 16 and the mounting holes 15 are provided with indicator lights or other function buttons. Compared with the function buttons arranged outside the mask in the related art, the function buttons are arranged inside the mask, which can make the appearance of the mask simple and improve the beauty of the mask.
  • An arc-shaped notch 13 is provided between the two lens holes 12, the two side surfaces of the arc-shaped notch 13 are respectively a part of the outer surface of the two lens frames, and the bottom surface of the arc-shaped notch 13 is a part of the outer surface of the beam portion.
  • the arc-shaped notch 13 corresponds to the nose pad portion of the face-attaching elastic piece 30.
  • Such a design can make the circumferential contours of the support 10 area of the mask and the face-attaching elastic piece 30 the same or similar to improve the overall aesthetics of the mask.
  • the elastic support 20 can be a U-shaped elastic strip or a V-shaped elastic strip, which is used to connect the bracket 10 and the face elastic piece 30 together.
  • the elastic support 20 adopts U-shaped elastic strips, and the number of U-shaped elastic strips is two, and the two U-shaped elastic strips are connected to the left and right sides of the bracket 10 and the left and right sides of the face elastic piece 30 respectively. connection.
  • the two ends of the U-shaped elastic strip are connected to the middle of the upper and lower sides of the lens hole 12 respectively, and the bottom of the U-shaped elastic strip is connected with the face elastic piece 30.
  • the elastic support 20 in the second embodiment is a U-shaped elastic strip or a V-shaped elastic strip, which has greater strength and can improve the face elastic piece 30 and the bracket The connection between 10 is strong.
  • the two sides of the U-shaped elastic strip or the V-shaped elastic strip are used to support the face elastic sheet 30, so that the stability of the face elastic sheet 30 is better.
  • the middle part of the face-attaching shrapnel 30 is recessed toward the bracket 10, and along the mirror frame 14 from left to right, the face-attaching shrapnel 30 is roughly arc-shaped.
  • the contour shape of the face-attaching shrapnel 30 is similar to that of the user's face, more specifically,
  • the contour shape of the face-attached elastic piece 30 is similar to the facial contour above the user's nose, and the face-attached elastic piece 30 can fit the user's face when the user wears a mask.
  • the face-attaching elastic piece 30 is made of an elastic material, so that the face-attaching elastic piece 30 can be deformed under the action of external force, so that the face-attaching elastic piece 30 can be fitted to different face shapes, and the applicability of the mask is improved.
  • the face-attaching elastic sheet 30 includes a ring-shaped elastic sheet 31, which is a sheet-shaped elastic sheet with an opening inside.
  • the opening inside the ring-shaped elastic sheet 31 is an eyepiece hole 32, and the content displayed by the display device passes through the lens hole 12 and The eyepiece hole 32 enters the user's eyes.
  • the shape of the ring-shaped shrapnel 31 is similar to the shape of a racetrack.
  • the ring-shaped shrapnel 31 includes oppositely arranged left and right sides, and oppositely arranged upper and lower sides. The upper and lower sides are ring-shaped shrapnel 31.
  • the two long sides, the left side and the right side are the two short sides of the ring-shaped shrapnel 31, the upper side and the lower side are located between the left side and the right side, and are respectively connected to the left side and the right side
  • the sides are connected, and the left side, right side, upper side and lower side are an integral structure, and the left side, right side, upper side and lower side are surrounded by eyepiece holes 12.
  • the eyepiece hole 12 includes a left eyepiece hole and a right eyepiece hole that are connected.
  • the left eyepiece hole and the right eyepiece hole are located on both sides of the nose pad 33.
  • the left eyepiece hole and the right eyepiece hole communicate with each other on the side opposite to each other. .
  • the left eyepiece hole portion corresponds to the lens hole 12 in the frame 14 corresponding to the user's left eye
  • the right eyepiece hole portion corresponds to the lens hole 12 in the frame 14 corresponding to the user's right eye.
  • the area of the left eyepiece hole and the panel of the right eyepiece hole are generally larger than the area of the corresponding lens hole 12 to expand the field of view of the eyepiece hole 32 so as to prevent the edge of the eyepiece hole 32 from blocking the light emitted by the display device from entering the human eye.
  • the surface of the ring-shaped elastic sheet 31 facing away from the bracket 10 is the face-facing surface, and the face-facing surface is the surface that is attached to the user's face.
  • the width of each side of the ring-shaped shrapnel 31 is greater than the thickness of the ring-shaped shrapnel, so that when the face-to-face of the ring-shaped shrapnel 31 fits the user’s face, the contact area between the ring-shaped shrapnel 31 and the user’s face is larger, which prevents or relieves the user from wearing a mask for a long time.
  • the ring-shaped shrapnel 31 is squeezed into the user's face, causing obvious indentation or squeeze marks on the user's face.
  • the left and right sides of the ring-shaped elastic piece 31 are respectively connected to the left and right sides of the mirror frame 14 through the elastic support 20.
  • the upper and lower sides of the ring-shaped elastic piece 31 are arc-shaped, and the middle of the lower side of the ring-shaped elastic piece 31 is recessed toward the stent 10 to form a nose pad 33, as shown in Figures 11 and 12, which constitutes the nose pad 33.
  • Some elastic pieces are twisted to a set angle relative to other areas on the lower side. In other words, the elastic pieces on the nose pad 33 are inclined at a certain angle with respect to other areas on the lower side. The angle is greater than 0 degrees and less than 90 degrees.
  • the part of the annular elastic piece 31 located at the nose pad 33 fits the user's nose, and the annular elastic piece 31 outside the nose pad 33 fits the user's face.
  • This design on the one hand, can improve the adhesion.
  • the face elastic piece 30 fits the user's face.
  • the nose pad 33 is stuck on the user's nose to support the mask, prevent the mask from slipping off the user's face, and improve the comfort of the mask.
  • both the face-attaching elastic sheet 30 and the elastic support 20 can be deformed under external force. Therefore, when different users wear the mask, both the face-attaching elastic sheet 30 and the elastic support 20 will There are different degrees of deformation, so that the face-attached shrapnel 30 can be attached to the faces of users who are not used.
  • the face shape the thickness of the face mask attached to the face is significantly reduced, thereby improving the breathability of the mask, thereby improving the wearing comfort of the mask.
  • the amount of foam is greatly reduced, the volume of the mask can also be significantly reduced, which improves the portability of the mask.
  • the material of the bracket 10, the elastic support 20 and the face elastic piece 30 may be plastic, metal or alloy.
  • the bracket 10, the elastic support 20 and the face elastic piece 30 may be an integrally formed structure, for example, a stent 10.
  • the elastic support 20 and the face elastic piece 30 are an integral injection molded part, but not limited to this.
  • the bracket 10, the elastic support 20 and the face elastic piece 30 can also be independent individuals, through screws, Connecting methods such as welding or bonding form the above-mentioned mask structure.
  • the bracket 10, the elastic support member 20 and the face elastic piece 30 are respectively titanium alloy pieces, and the three are connected together by welding.
  • the above-mentioned mask usually also includes a headband.
  • the two ends of the headband can be connected to the left and right sides of the frame 14 or connected to the left and right sides of the face elastic piece 30.
  • the mask can be fixed on the user's face by adjusting the headband.
  • the tension generated by the headband will act on the face-attaching elastic piece 30 and the elastic support 20, causing the face-attaching elastic piece 30 to be deformed, so that the shape of the face-attaching elastic piece 30 matches the user's face, thereby making the face-attaching elastic piece 30 fit On the user's face.
  • the mask provided by the second embodiment of the present application generally also includes a light-shielding cloth, which generally covers the side of the bracket 10 and the side of the face elastic sheet 30, and is used to cover the space of the bracket 10 and the face elastic sheet 30 to prevent the user from wearing the mask.
  • the light enters the inside of the mask.
  • the elastic support strip 20 is covered by the shading cloth. On the one hand, the shading effect can be improved. On the other hand, the elastic support strip 20 can be hidden inside the shading cloth, so that the design of the outer surface of the mask is simple and the appearance of the mask is improved. Sex.
  • the face mask generally also includes foam, and the foam is a single-layer foam.
  • the foam is generally arranged on the face-attached surface where the face-attaching elastic sheet 30 fits the user’s face to improve the wearing of the face-mask. Comfort.
  • the shape and size of the foam are the same as or similar to the face shrapnel 30, and the middle of the foam is provided with a through hole corresponding to the eyepiece hole 32 to prevent the foam from blocking light from entering the user's glasses and ensuring the viewing angle range of the mask.
  • the foam is generally wrapped in a shading cloth. The shading cloth can protect the foam, prevent the foam from being damaged, and prolong the service life of the foam.
  • the mask provided in the third embodiment of the present application includes a bracket 10, an elastic support 20, and a face elastic sheet 30.
  • the bracket 10 includes a sheet frame 17 and a lens hole 12 provided in the sheet frame 17 Wherein, the frame thickness h of the sheet-shaped frame 17 is much smaller than the width w of the frame, so that the side wall of the lens hole 12 is cylindrical.
  • the lens hole 12 includes a left and right lens hole that are connected to each other.
  • the left and right lens holes form a B-shaped through hole, which is designed like this , So that the area corresponding to the left and right eyes of the user is free of obstructions, and the integrity of the image entering the user's glasses is improved.
  • An arc-shaped notch 13 is provided between the left spectacle lens hole portion and the right spectacle lens hole portion, and the arc-shaped notch 13 corresponds to the nose pad portion of the face elastic piece 30.
  • the middle part of the face-attaching shrapnel 30 is recessed toward the bracket 10, and along the mirror frame 14 from left to right, the face-attaching shrapnel 30 is roughly arc-shaped.
  • the contour shape of the face-attaching shrapnel 30 is similar to that of the user's face, more specifically, The contour shape of the face-attached elastic piece 30 is similar to the facial contour above the user's nose, and the face-attached elastic piece 30 can fit the user's face when the user wears a mask.
  • the face-attaching elastic piece 30 is made of elastic material, so that the face-attaching elastic piece can be deformed under the action of external force, so that the face-attaching elastic piece can be fitted to different face shapes, and the applicability of the mask is improved.
  • the face-attaching elastic sheet 30 includes a ring-shaped elastic sheet 31, which is a sheet-shaped elastic sheet with an opening inside.
  • the opening inside the ring-shaped elastic sheet 31 is an eyepiece hole 32, and the content displayed by the display device passes through the lens hole 12 and The eyepiece hole 32 enters the user's eyes.
  • the shape of the ring-shaped shrapnel 31 is similar to the shape of a racetrack.
  • the ring-shaped shrapnel 31 includes oppositely arranged left and right sides, and oppositely arranged upper and lower sides, wherein the upper and lower sides are of the ring-shaped shrapnel.
  • the two long sides, the left side and the right side are the two short sides of the circular shrapnel, the upper side and the lower side are located between the left side and the right side, and are connected to the left side and the right side respectively ,
  • the left side, the right side, the upper side and the lower side are an integral structure, and the left side, the right side, the upper side and the lower side are surrounded by the eyepiece hole 12.
  • the eyepiece hole 12 includes a left eyepiece hole and a right eyepiece hole that are connected.
  • the left eyepiece hole and the right eyepiece hole are located on both sides of the nose pad 33.
  • the left eyepiece hole and the right eyepiece hole communicate with each other on the side opposite to each other. .
  • the left eyepiece hole corresponds to the left eye lens hole 12 in the frame 14
  • the right eyepiece hole corresponds to the right eye lens hole 12 in the frame 14.
  • the area of the left eyepiece hole and the panel of the right eyepiece hole are generally larger than the area of the lens hole 12 to expand the field of view of the eyepiece hole, so as to prevent the face shrapnel from blocking the display light from the display device.
  • the surface of the ring-shaped elastic sheet 31 facing away from the bracket 10 is the face-facing surface, and the face-facing surface is the surface that is attached to the user's face.
  • the width of each side of the ring-shaped shrapnel 31 is greater than the thickness of the ring-shaped shrapnel, so that when the face-to-face of the ring-shaped shrapnel 31 fits the user’s face, the contact area between the ring-shaped shrapnel 31 and the user’s face is larger, which prevents or relieves the user from wearing a mask for a long time.
  • the ring-shaped shrapnel 31 is squeezed into the user's face, causing obvious indentation or squeeze marks on the user's face.
  • the left and right sides of the ring-shaped elastic piece 31 are respectively connected to the left and right sides of the frame plate 11 through the elastic support 20.
  • the upper and lower sides of the ring-shaped elastic piece 31 are arc-shaped, and the middle of the lower side of the ring-shaped elastic piece 31 is recessed toward the stent 10 to form a nose pad 33, as shown in Figures 11 and 12, which constitutes the nose pad 33.
  • Some elastic pieces are twisted to a set angle relative to other areas on the lower side. In other words, the elastic pieces on the nose pad 33 are inclined at a certain angle with respect to other areas on the lower side. The angle is greater than 0 degrees and less than 90 degrees.
  • the part of the annular elastic piece 31 located at the nose pad 33 fits the user's nose, and the annular elastic piece 31 outside the nose pad 33 fits the user's face.
  • This design on the one hand, can improve the adhesion.
  • the face elastic piece 30 fits the user's face.
  • the nose pad 33 is stuck on the user's nose to support the mask, prevent the mask from slipping off the user's face, and improve the comfort of the mask.
  • the shape of the elastic support member 20 is the same as or similar to the shape of the face-attaching elastic sheet 30, and the size of the elastic support member 20 is the same as or similar to the size of the face-attaching elastic sheet 30.
  • the elastic support 20 also includes a ring-shaped elastic piece, which is a sheet-shaped elastic piece with an opening inside, and the opening inside the ring-shaped elastic piece corresponds to the eyepiece hole 32 in the face elastic piece 30, so as to display the content of the display device. After passing through the lens hole 12, the eyepiece hole 32 and the opening, it enters the user's eye.
  • the elastic support 20 is located between the bracket 10 and the face elastic piece 30, the middle of the elastic support 20 is connected to the middle of the bracket 10, and the left and right sides of the elastic support 20 The sides are respectively connected to the left and right sides of the face elastic piece 30 through the connecting piece 40.
  • the elastic support 20 is an elastic support 20 similar to or the same as the face elastic sheet 30 to connect the bracket 10 and the face elastic sheet 30. Improve the overall strength of the mask to make the mask not easy to damage.
  • the elastic support 20 similar to or the same as the face-attached elastic sheet 30 is used to support the face-attached elastic sheet 30, so that the stability of the face-attached elastic sheet 30 is better.
  • both the face-attaching elastic sheet 30 and the elastic support 20 can be deformed under external force. Therefore, when different users wear the mask, both the face-attaching elastic sheet 30 and the elastic support 20 will There are different degrees of deformation, so that the face-attached shrapnel 30 can be attached to the faces of users who are not used.
  • the face shape the thickness of the face mask attached to the face is significantly reduced, thereby improving the breathability of the mask, thereby improving the wearing comfort of the mask.
  • the amount of foam is greatly reduced, the volume of the mask can also be significantly reduced, which improves the portability of the mask.
  • the material of the bracket 10, the elastic support 20, the face elastic piece 30 and the connecting piece 40 may be plastic, metal or alloy.
  • the bracket 10, the elastic support piece 20, the face elastic piece 30 and the connecting piece 40 It can be an integrally formed structure, for example, the bracket 10, the elastic support 20, the face elastic piece 30, and an injection-molded part integrated with the connecting piece 40, but it is not limited to this, the bracket 10, the elastic support piece 20, the face elastic piece
  • the four parts 30 and the connecting member 40 may also be independent individuals, and the above-mentioned mask structure can be formed by connecting methods such as screws, welding, or bonding.
  • the bracket 10, the elastic support member 20, the face elastic piece 30, and the connecting member 40 are respectively titanium alloy pieces, and the four are connected together by welding.
  • the above-mentioned mask usually also includes a headband.
  • the two ends of the headband can be connected to the left and right sides of the frame 14 or connected to the left and right sides of the face elastic piece 30.
  • the mask can be fixed on the user's face by adjusting the headband.
  • the tension generated by the headband will act on the face-attached elastic sheet 30, causing the face-attached elastic sheet 30 to deform, so that the shape of the face-attaching elastic sheet 30 matches the user's face, and the face-attaching elastic sheet is attached to the user's face.
  • the mask provided in the third embodiment of the present application generally also includes a light-shielding cloth, which generally covers the side of the bracket 10 and the side of the face elastic sheet 30, and is used to cover the space of the bracket 10 and the face elastic sheet 30 to prevent the user from wearing the mask.
  • the light enters the inside of the mask.
  • the elastic support strip 20 is covered by the shading cloth. On the one hand, the shading effect can be improved. On the other hand, the elastic support strip 20 can be hidden inside the shading cloth, so that the design of the outer surface of the mask is simple and the appearance of the mask is improved. Sex.
  • the face mask generally also includes foam, and the foam is a single-layer foam.
  • the foam is generally arranged on the face-attached surface where the face-attaching elastic sheet 30 fits the user’s face to improve the wearing of the face-mask. Comfort.
  • the shape and size of the foam are the same as or similar to the face shrapnel 30, and the middle of the foam is provided with a through hole corresponding to the eyepiece hole 32 to prevent the foam from blocking light from entering the user's glasses and ensuring the viewing angle range of the mask.
  • the foam is generally wrapped in a shading cloth. The shading cloth can protect the foam, prevent the foam from being damaged, and prolong the service life of the foam.
  • An embodiment of the present application also provides a head-mounted display device, which includes the face mask described in each of the foregoing embodiments, and a display device provided at the front end of the face mask, wherein the front end of the face mask refers to the front end of the mask being far away from the bracket. Paste the face of the shrapnel.
  • the display device may be a device capable of displaying information such as text, image or animation, such as a mobile phone, a game console, or a tablet computer. When the user wears the head-mounted display device, the face-sticking shrapnel of the mask fits the user's face.
  • the face-sticking shrapnel can be deformed when subjected to external force, the face-sticking shrapnel can be deformed adaptively according to different face shapes , So that the face-attached shrapnel can be attached to the faces of different users.
  • it greatly reduces the amount of foam on the face of the mask and improves the breathability of the mask. This improves the wearing comfort of the mask.
  • the amount of foam is greatly reduced, the volume of the mask can also be significantly reduced, which improves the portability of the mask.

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Abstract

本申请提供了一种面罩及头戴式显示设备，涉及可穿戴设备技术领域，用于解决面罩的贴脸部厚度大导致面罩的透气性差的问题。该面罩包括支架、弹性支撑件和贴脸弹片，所述支架中设置有镜片孔，所述贴脸弹片通过所述弹性支撑件与所述支架连接，所述贴脸弹片的中部朝向所述支架凹陷，所述贴脸弹片中设置有与所述镜片孔相对的目镜孔，所述贴脸弹片的下侧边中部设置有鼻托部。头戴式显示设备包括上述面罩以及与面罩连接的显示设备。在上述面罩中，贴脸弹片在受到外力作用时可以发生形变，使得贴脸弹片可以与不同脸型贴合，从而不需要设置多层泡棉，减小了面罩贴脸部的厚度，提高了面罩的透气性。

Description

面罩及头戴式显示设备
本申请要求于2019年09月06日提交中国专利局、申请号为201910842364.7、申请名称为“面罩及头戴式显示设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及可穿戴设备技术领域，尤其涉及一种面罩及头戴式显示设备。
背景技术
随着近眼显示技术的发展，头戴式显示设备被广泛地应用在工作、生活和娱乐等场合。头戴式显示设备一般包括显示装置和面罩，当用户佩戴头戴式显示设备时，面罩与人脸贴合形成一个密闭空间，以增强用户的沉浸感。在相关技术中，通常采用多层泡棉来增加与脸部贴合的贴脸部的厚度，以使面罩可与不同脸型的人脸匹配，不过，贴脸部较厚导致面罩的透气性较差，影响面罩的佩戴舒适性。
发明内容
本申请实施例提供了一种面罩及头戴式显示设备，用于减小面罩的贴脸部厚度，提高面罩的透气性，进而提高面罩的佩戴舒适性。
第一方面，本申请实施例提供了一种面罩，其包括支架、弹性支撑件和贴脸弹片，所述支架中设置有镜片孔，所述贴脸弹片通过所述弹性支撑件与所述支架连接，所述贴脸弹片的中部朝向所述支架凹陷，所述贴脸弹片中设置有与所述镜片孔相对的目镜孔，所述贴脸弹片的下侧边中部设置有鼻托部。
在本申请实施例提供的面罩中，贴脸弹片和弹性支撑件均可在受力状态下产生形变，因此当不同的用户佩戴该面罩时，贴脸弹片可以根据不同的脸型发生适应性的形变，使得贴脸弹片可与不同用户的面部贴合，与相关技术中需要采用多层泡棉来适应不同的脸型相比，利用贴脸弹片的形变与不同的脸型贴合，大大减少了面罩的贴脸部的泡棉用量，从而减小了面罩贴脸部的厚度，提高了面罩透气性，进而提高了面罩的佩戴舒适性。此外，由于泡棉用量大量减少，因此面罩的体积也可显著减小，提高了面罩的携带便利性。
在一种可能的实现方式中，所述贴脸弹片为环状弹片，所述环状弹片所围成的孔为所述目镜孔。采用这样的设计，贴脸弹片的形变范围大，如此可以与更大范围的脸型匹配，提高面罩的适用性。
在一种可能的实现方式中，所述环状弹片的下侧边中部凹陷形成所述鼻托部，形成所述鼻托部的部分所述环状弹片相对其余部分的所述环状弹片扭转设定角度。采用这样的设计，当用户佩戴面罩时，鼻托部与用户的鼻子卡合，利用用户的鼻子支撑面罩，防止面罩从用户面部滑落。
在一种可能的实现方式中，所述目镜孔包括位于所述鼻托部两侧的左目镜孔部和右目镜孔部，所述左目镜孔部和右目镜孔部彼此相对的一侧连通。
在一种可能的实现方式中，所述框板中设置有左眼镜片孔和右眼镜片孔，所述左眼镜片孔和右眼镜片孔构成所述镜片孔。采用这样的设计，使得用户左眼和右眼对应的区域无障碍物，提高进入用户眼镜的图像完整性。
在一种可能的实现方式中，所述框板的下侧边中部设置有弧形缺口，所述弧形缺口与所述鼻托部相对。
在一种可能的实现方式中，所述支架包括镜框，所述镜框的下侧边中部设置有鼻托部，所述镜框中设置有位于所述鼻托部两侧的左眼镜片孔和右眼镜片孔，所述左眼镜片孔和右眼镜片孔构成所述镜片孔。采用这样的设计，当用户佩戴面罩时，鼻托部与用户的鼻子卡合，利用用户的鼻子支撑面罩，防止面罩从用户面部滑落。
在一种可能的实现方式中，所述支架中位于所述左眼镜片孔和右眼镜片孔之间的区域设置有至少一个减重孔。采用这样的设计，可以减轻支架的重量，防止用户长时间佩戴面罩时面部疲劳。
在一种可能的实现方式中，所述支架包括由片状边框，所述片状边框围成孔为所述镜片孔。
在一种可能的实现方式中，所述片状边框的下侧边中部设置有弧形凹陷部，所述弧形凹陷部朝向所述片状边框的上侧边凹陷。
在一种可能的实现方式中，所述弹性支撑件为长条状弹性条。采用长条状弹性条连接支架和贴脸弹片，使得贴脸弹片具有更大的形变范围，提高面罩的适用性。
在一种可能的实现方式中，所述贴脸弹片的左右两侧各通过一个所述长条状弹性条与所述支架的左右两侧连接。采用这样的设计，可以使左右对称支撑贴脸弹片，提高贴脸弹片与用户面部的贴合效果。
在一种可能的实现方式中，所述贴脸弹片的中部通过一个所述长条状弹性条与所述支架的中部连接。
在一种可能的实现方式中，所述弹性支撑件为U形弹性条或V形弹性条，所述贴脸弹片的左右两侧各通过一个所述U形弹性条或V形弹性条与所述支架的左右两侧连接。采用这样的设计，当用户佩戴面罩时，可以提高贴脸弹片的稳定性。
在一种可能的实现方式中，所述弹性支撑件为与所述贴脸弹片相同的弹性片，所述弹性支撑件的中部与所述支架的中部连接，所述弹性支撑件的左右两侧与所述贴脸弹片的左右两侧连接。
在一种可能的实现方式中，所述面罩还包括遮光布，所述遮光布遮盖所述贴脸弹片和所述支架之间的空间。采用这样的设计，当用户佩戴面罩时，利用遮光布可以阻挡外界光线进入到面罩内部。
第二方面，本申请实施例提供了一种头戴式显示设备，包括上述第一方面所述的面罩，以及设置于所述面罩的前端的显示设备。
本申请实施例提供了的头戴式显示设备因包括上述第一方面所述的面罩，因此该头戴式显示设备也具备上述面罩的优点，在此不再赘述。
附图说明
图1为本申请实施例提供的头戴式显示设备的结构示意图；
图2为本申请实施例一提供的面罩佩戴前的结构示意图；
图3为本申请实施例一提供的面罩佩戴后的结构示意图；
图4为本申请实施例一提供的面罩在佩戴前后的对比图；
图5为本申请实施例二提供的面罩的后侧立体图；
图6为本申请实施例二提供的面罩的前侧立体图；
图7为图6的主视图；
图8为图6的后视图；
图9为图6的左视图；
图10为图6的右视图；
图11为图6的俯视图；
图12为图6的仰视图；
图13为本申请实施例三提供的面罩的后侧立体图；
图14为本申请实施例三提供的面罩的前侧立体图；
图15为图14的仰视图；
图16为图14的后视图。
附图标记说明：
1：面罩；                            2：显示装置；
10：支架；                           11：框板；
12：镜片孔；                         13：弧形缺口；
14：镜框；                           15：安装孔；
16：减重孔；                         17：片状边框；
20：弹性支撑件；                     30：贴脸弹片；
31：环形弹片；                       32：目镜孔；
33：鼻托部；                         40：连接件。
具体实施方式
本申请实施例提供的面罩适用于虚拟现实头戴式显示设备(Virtual Reality，简称为VR头显)、增强现实头戴式显示设备(Augmented Reality，简称为AR头显)或混合显示头戴式显示设备(Mixed Reality，简称为MR头显)等头戴式显示设备，下面将以虚拟现实头戴式显示设备中的面罩为例进行描述。
如图1所示，虚拟现实头戴式显示设备通常包括面罩1和安装在面罩1前端的显示装置2，其中，显示装置2可以为手机、游戏机或平板电脑等可显示文字、图像或动画等信息的装置，面罩1的前端设置显示装置2，面罩的后端与用户的面部贴合，用于阻挡外界的光线进入到用户眼镜和显示装置2之间，以增强用户的沉浸感。
在本申请实施例提供的面罩中，面罩中与用户面部贴合部分采用贴脸弹片，贴脸弹片在受到外力作用时可以产生一定的形变，使得当不同的用户佩戴该面罩时，根据用户脸型的不同，贴脸弹片可以适应性发生形变，从而使得贴脸弹片可与不同用户的面部贴合，与相关技术中需要采用多层泡棉来适应不同的脸型相比，采用贴脸弹片可以保证与不同用户的面部贴合，并且明显减小了泡棉用量，从而提高了面罩的透气性，进而提高了面罩的佩 戴舒适性。下面将结合附图对本申请实施例的实施方式进行详细描述。
实施例一
如图2所示，本申请实施例一提供的面罩包括支架10、弹性支撑件20和贴脸弹片30，支架10包括框板11以及设置于框板11中的两个镜片孔12。其中，框板11为矩形板，矩形板的四角具有圆倒角，以提高框板11的美观性，此外，框框10的四角采用圆倒角设计，可以防止划伤用户，提高面罩的使用安全性。
两个镜片孔12设置在框板内部，两个镜片孔12相对框板11的中心对称设置，当用户佩戴面罩时，两个镜片孔12分别与用户的眼睛相对，其中与用户左眼相对的镜片孔12可以称为左眼镜片孔，与用户右眼相对的镜片孔12可以称为右眼镜片孔。镜片孔12用于容置镜片，镜片可以为凸透镜，或，数个凸透镜与凹透镜的组合。镜片孔12包括但不限于为圆孔、椭圆孔、三角形孔、方形孔或多边形孔，在本实施例中镜片孔为圆孔，相应的安装在镜片孔12中镜片为圆形镜片。
弹性支撑件20为长条状弹性条，用于将支架10和贴脸弹片30连在一起，此外，当用户佩戴面罩时，弹性支撑件20也会产生一定的形变，以使贴脸弹片30更好地与用户面部贴合。弹性支撑件20的数量可以为一个、两个或两个以上，采用不同数量的弹性支撑件20连接支架10和贴脸弹片30时，弹性支撑件20分别与支架10和贴脸弹片30的连接位置也有多种选择。
例如，当采用一个弹性支撑件20时，通常将弹性支撑件20的两端连接在框板11中部和贴脸弹片30的中部，即弹性支撑件20的一端与框板11的中部连接，另一端与贴脸弹片30的中部连接。又如，当采用两个弹性支撑件20时，可以将两个弹性支撑件20连接在框板的左、右两侧，其中一个弹性支撑件20的一端与框板11的左侧连接，另一端与贴脸弹片30的左侧连接；另一个弹性支撑件20的一端与框板11的右侧连接，另一端与贴脸弹片30的右侧连接。或者，两个弹性支撑件20均布置在框板11的中部，其中一个弹性支撑件20的一端与框板11的上侧边连接，另一个弹性支撑件20的一端与框板11的下侧边连接，对应的，两个弹性支撑件20中一个弹性支撑件20的另一端与贴脸弹片30的上侧边连接，另一个弹性支撑件20的另一端与贴脸弹片30的下侧边连接。
再如，当采用三个弹性支撑件20时，沿框板11从左至右的方向，三个弹性支撑件20分别连接在框板11的左侧、中部和右侧，即在沿框板11从左至右的方向，框板11的左侧、中部和右侧各与一个弹性支撑件20的一端连接，三个弹性支撑件20的另一端分别与贴脸弹片30的左侧、中部和右侧连接。可以理解的是，在框板11的两侧，可以在其中一侧如左侧采用两个或两个以上的弹性支撑件20与贴脸弹片30连接，另一侧如右侧采用与左侧数量相同或不同的弹性支撑件20与贴脸弹片30连接；此外，当框板11的左侧和/或右侧均设置有两个或两个以上弹性支撑件20时，位于同一侧的弹性支撑件20之间可以相互平行设置，也可以交叉设置。
贴脸弹片30的中部朝向支架10凹陷，沿框板11从左至右的方向，贴脸弹片30大致呈弧形，贴脸弹片30的轮廓形状与用户的面部相似的轮廓，更具地说，贴脸弹片30的轮廓形状与用户鼻子上方的面部轮廓相似，当用户佩戴面罩时贴脸弹片30可与用户的面部贴合。贴脸弹片30由弹性材料制成的，使得贴脸弹片在外力作用下可以发生形变，以使贴脸弹片30可以与不同脸型贴合，提高面罩的适用性。如图2、图3和图4所示，图2中 的贴脸弹片30处于未受外力的状态，此时贴脸弹片30呈弧形；图3中的贴脸弹片30处于受外力后的状态，此时图3中的贴脸弹片30相对于图2中的贴脸弹片30产生了一定的形变，图4为贴脸弹片30受外力作用前后的对比图，其中，黑色实线是受外力作用后的弹性支撑件20和贴脸弹片30的形态，虚线是受外力作用前的弹性支撑件20和贴脸弹片30的形态。
在本实施例中，贴脸弹片30包括环形弹片31，环形弹片31为片状且内部具有开口的弹性片，环形弹片31内部的开口为目镜孔32，目镜孔32可以为长条状的方形孔，显示装置显示的内容通过镜片孔12和目镜孔32后进入到用户的眼睛。环形弹片31包括相对设置的左侧边和右侧边，以及相对设置的上侧边和下侧边，其中，上侧边和下侧边位于左侧边和右侧边之间，并分别与左侧边和右侧边连接，左侧边、右侧边、上侧边和下侧边可以为一体结构，左侧边、右侧边、上侧边和下侧边围成目镜孔12。
环形弹片31背离支架10的表面为贴脸面，贴脸面为与用户面部贴合的面。环形弹片31的各侧边的宽度w大于环形弹片的厚度h，使得环形弹片31的贴脸面与用户面部贴合时，环形弹片31与用户面部的接触面积较大，防止或减轻用户长时间佩戴面罩时，环形弹片31勒入用户面部，导致用户面部留有明显压痕或勒痕。
环形弹片31的左侧边、右侧边分别通过弹性支撑件20与框板11的左右两侧连接。环形弹片31的上侧边和下侧边均呈弧形，环形弹片31的下侧边中部朝向支架10凹陷，形成鼻托部33，构成鼻托部33的部分弹片相对于下侧边中其他区域扭转设定角度，或者说，位于鼻托部的弹片相对下侧边其他区域的弹倾斜一定角度，该角度大于0度，小于90度。当用户佩戴该面罩时，位于鼻托部33的部分环形弹片31与用户的鼻子贴合，鼻托部33以外区域的环形弹片31与用户的面部贴合，如此设计，一方面，可以提高贴脸弹片30与用户面部的贴合效果，另一方面，鼻托部33卡在用户的鼻子上以支撑面罩，防止面罩从用户面部滑落，提高面罩的舒适性。
在本申请实施例一提供的面罩中，贴脸弹片30和弹性支撑件20均可在外力状态下产生形变，因此当不同的用户佩戴该面罩时，贴脸弹片30和弹性支撑件20均会出现不同程度的形变，即贴脸弹片30和弹性支撑件20会根据不用用户的脸型发生适应性的形变，使得贴脸弹片30与用户的面部贴合，与相关技术中采用多层泡棉来适应不同的脸型相比，不需要采用多层泡棉即可适用于不同的脸型，面罩的贴脸部厚度明显减少，从而提高了面罩的透气性，进而提高了面罩的佩戴舒适性。此外，由于泡棉用量大大减少，面罩的体积也随之显著减小，提高了面罩的携带便利性。
在上述面罩中，支架10、弹性支撑件20和贴脸弹片30的材质可以为塑料、金属或合金，此外，支架10、弹性支撑件20和贴脸弹片30可以为一体成型结构，例如，支架10、弹性支撑件20和贴脸弹片30三者为一体的注塑成型件，但不限于此，支架10、弹性支撑件20和贴脸弹片30三者也可以分别是独立的个体，通过螺钉、焊接或粘结等连接方式形成上述面罩结构。例如，支架10、弹性支撑件20和贴脸弹片30三者分别为钛合金件，三者之间通过焊接方式连接在一起。
为了方便用户佩戴，在一种可能的实施方式中，上述面罩通常还包括头带，头带的两端可与框板11的左右两侧连接，或者与贴脸弹片30的左右两侧连接，当用户佩戴面罩时，通过调节头带，可以使面罩固定在用户的脸部。同时，头带产生拉力会作用在贴脸弹片30 和弹性支撑件20上，使得贴脸弹片30发生形变，从而使得贴脸弹片30的形状与用户的面部匹配，进而使得贴脸弹片30贴合在用户的脸部。
本申请实施例一提供的面罩一般还包括遮光布，其中，遮光布一般覆盖在支架10的侧面以及贴脸弹片30的侧面，用于遮盖支架10和贴脸弹片30的空间，防止用户佩戴面罩后外界光线进入到面罩内部。可以理解的是，弹性支撑条20被遮光布覆盖，一方面，可以提高遮光效果，另一方面，可以将弹性支撑条20隐藏在遮光布内侧，使得面罩的外表面设计简洁，提高面罩的美观性。
在一种的可能实施方式中，面罩一般还包括泡棉，且该泡棉为单层泡棉，泡棉一般设置在贴脸弹片30与用户面部贴合的贴脸面上，以提高面罩的佩戴舒适性。泡棉的形状、大小与贴脸弹片30相同或近似，泡棉的中部设置有与目镜孔32对应的通孔，以免泡棉阻挡光线进入用户眼镜，确保面罩的视角范围。另外，泡棉一般被包裹在遮光布中，利用遮光布可以保护泡棉，防止泡棉损坏，延长泡棉的使用寿命。
实施例二
如图5和图6所示，本申请实施例二提供的面罩包括支架10、弹性支撑件20和贴脸弹片30，支架10包括镜框14以及设置于镜框14中的两个镜片孔12，其中，镜框14与眼镜框类似，镜框14包括两个镜片框以及连接两个镜片框的横梁部，每个镜片框中设置有一个镜片孔12，两个镜片孔12相对镜框14的中心对称设置，镜片孔12用于容置镜片，镜片孔12包括但不限于为圆孔、椭圆孔、三角形孔、方形孔或多边形孔，在本实施例中镜片孔为圆孔，相应的安装在镜片孔12中镜片为圆形镜片。
横梁部可以与两个镜片框一体成型，如图7和图8所示，横梁部设置有至少一个减重孔16以及至少一个安装孔15，或者说，减重孔16和安装孔15设置于位于两个镜片孔12之间镜框11的区域，如此设计，一方面，可以减轻支架10的重量，进而减轻面罩的重量，以免用户长时间佩戴面罩时面部疲劳，另一方面，也可以在减重孔16和安装孔15设置指示灯或其他功能按键，与相关技术中将功能按键设置在面罩外部相比，设置在面罩内部，可以使面罩外形简洁，提高面罩的美观性。
在两个镜片孔12之间设置弧形缺口13，弧形缺口13的两个侧面分别为两个镜片框的外表面的一部分，弧形缺口13的底面为横梁部的外表面的一部分。弧形缺口13与贴脸弹片30的鼻托部对应，如此设计，可以使面罩的支架10区域和贴脸弹片30区域的周向轮廓相同或相似，提高面罩的整体美观性。
弹性支撑件20可以为U形弹性条或V形弹性条，用于将支架10和贴脸弹片30连在一起，此外，当用户佩戴面罩时，弹性支撑件20也会产生一定的形变，以使贴脸弹片更好的与用户面部贴合。在本实施例中，弹性支撑件20采用U形弹性条，且U形弹性条的数量为两个，两个U形弹性条分别与支架10的左右两侧和贴脸弹片30的左右两侧连接。更加详细地说，如图9和图10所示，U形弹性条的两端分别与镜片孔12的上、下侧边的中部连接，U形弹性条的底部与贴脸弹片30连接。
与上述实施例一中弹性支撑件20为长条状弹性条相比，实施例二中弹性支撑件20为U形弹性条或V形弹性条，强度较大，可以提高贴脸弹片30和支架10之间的连接强。此外，当用户佩戴实施例二中的面罩时，利用U形弹性条或V形弹性条的两侧边支撑贴脸弹片30，使得贴脸弹片30的稳定性更好。
贴脸弹片30的中部朝向支架10凹陷，沿镜框14从左至右的方向，贴脸弹片30大致呈弧形，贴脸弹片30的轮廓形状与用户的面部相似的轮廓，更具地说，贴脸弹片30的轮廓形状与用户鼻子上方的面部轮廓相似，当用户佩戴面罩时贴脸弹片30可与用户的面部贴合。贴脸弹片30由弹性材料制成的，使得贴脸弹片30在外力作用下可以发生形变，以使贴脸弹片30可以与不同脸型贴合，提高面罩的适用性。
在本实施例中，贴脸弹片30包括环形弹片31，环形弹片31为片状且内部具有开口的弹性片，环形弹片31内部的开口为目镜孔32，显示装置显示的内容通过镜片孔12和目镜孔32后进入到用户的眼睛。环形弹片31的形状近似于跑道形，环形弹片31包括相对设置的左侧边和右侧边，以及相对设置的上侧边和下侧边，其中，上侧边和下侧边为环形弹片31的两个长边，左侧边和右侧边为环形弹片31的两个短边，上侧边和下侧边位于左侧边和右侧边之间，并分别与左侧边和右侧边连接，左侧边、右侧边、上侧边和下侧边为一体结构，左侧边、右侧边、上侧边和下侧边围成目镜孔12。目镜孔12包括相连通的左目镜孔部和右目镜孔部，左目镜孔部和右目镜孔部位于鼻托部33两侧，左目镜孔部和右目镜孔部彼此相对的一侧相连通。左目镜孔部与镜框14中与用户左眼对应的镜片孔12对应，右目镜孔部与镜框14中与用户右眼对应的镜片孔12对应。左目镜孔部的面积和右目镜孔部的面板一般比对应的镜片孔12的面积大，以扩大目镜孔32的视野，以免目镜孔32的边缘阻挡显示设备发出光线进入人眼。
环形弹片31背离支架10的表面为贴脸面，贴脸面为与用户面部贴合的面。环形弹片31的各侧边的宽度大于环形弹片的厚度，使得环形弹片31的贴脸面与用户面部贴合时，环形弹片31与用户面部的接触面积较大，防止或减轻用户长时间佩戴面罩时，环形弹片31勒入用户面部，导致用户面部留有明显压痕或勒痕。
环形弹片31的左侧边、右侧边分别通过弹性支撑件20与镜框14的左右两侧连接。环形弹片31的上侧边和下侧边均呈弧形，环形弹片31的下侧边中部朝向支架10凹陷，形成鼻托部33，如图11和图12所示，构成鼻托部33的部分弹片相对于下侧边中其他区域扭转设定角度，或者说，位于鼻托部33的弹片相对下侧边其他区域的弹片倾斜一定角度，该角度大于0度，小于90度。当用户佩戴该面罩时，位于鼻托部33的部分环形弹片31与用户的鼻子贴合，鼻托部33以外区域的环形弹片31与用户的面部贴合，如此设计，一方面，可以提高贴脸弹片30与用户面部的贴合效果，另一方面，鼻托部33卡在用户的鼻子上以支撑面罩，防止面罩从用户面部滑落，提高面罩的舒适性。
在本申请实施例二提供的面罩中，贴脸弹片30和弹性支撑件20均可在外力状态下产生形变，因此当不同的用户佩戴该面罩时，贴脸弹片30和弹性支撑件20均会出现不同程度的形变，使得贴脸弹片30可以与不用用户的面部贴合，与相关技术中采用多层泡棉来适应不同的脸型相比，不需要采用多层泡棉即可适用于不同的脸型，面罩的贴脸部厚度明显减少，从而提高了面罩的透气性，进而提高了面罩的佩戴舒适性。此外，由于泡棉用量大大减少，因此面罩的体积也可显著减小，提高了面罩的携带便利性。
在上述面罩中，支架10、弹性支撑件20和贴脸弹片30的材质可以为塑料、金属或合金，此外，支架10、弹性支撑件20和贴脸弹片30可以为一体成型结构，例如，支架10、弹性支撑件20和贴脸弹片30三者为一体的注塑成型件，但不限于此，支架10、弹性支撑件20和贴脸弹片30三者也可以分别是独立的个体，通过螺钉、焊接或粘结等连接方式形 成上述面罩结构。例如，支架10、弹性支撑件20和贴脸弹片30三者分别为钛合金件，三者之间通过焊接方式连接在一起。
为了方便用户佩戴，在一种可能的实施方式中，上述面罩通常还包括头带，头带的两端可与镜框14的左右两侧连接，或者与贴脸弹片30的左右两侧连接，当用户佩戴面罩时，通过调节头带，可以使面罩固定在用户的脸部。同时，头带产生拉力会作用在贴脸弹片30和弹性支撑件20上，使得贴脸弹片30发生形变，从而使得贴脸弹片30的形状与用户的面部匹配，进而使得贴脸弹片30贴合在用户的脸部。
本申请实施例二提供的面罩一般还包括遮光布，遮光布一般覆盖在支架10的侧面以及贴脸弹片30的侧面，用于遮盖支架10和贴脸弹片30的空间，防止用户佩戴面罩后外界光线进入到面罩内部。可以理解的是，弹性支撑条20被遮光布覆盖，一方面，可以提高遮光效果，另一方面，可以将弹性支撑条20隐藏在遮光布内侧，使得面罩的外表面设计简洁，提高面罩的美观性。
在一种的可能实施方式中，面罩一般还包括泡棉，且该泡棉为单层泡棉，泡棉一般设置在贴脸弹片30与用户面部贴合的贴脸面上，以提高面罩的佩戴舒适性。泡棉的形状、大小与贴脸弹片30相同或近似，泡棉的中部设置有与目镜孔32对应的通孔，以免泡棉阻挡光线进入用户眼镜，确保面罩的视角范围。另外，泡棉一般被包裹在遮光布中，利用遮光布可以保护泡棉，防止泡棉损坏，延长泡棉的使用寿命。
实施例三
如图13和图14所示，本申请实施例三提供的面罩包括支架10、弹性支撑件20和贴脸弹片30，支架10包括片状边框17以及设置于片状边框17中的镜片孔12，其中，片状边框17的自身的边框厚度h远小于边框的宽度w，使得镜片孔12的侧壁为筒状。沿片状边框17的长度方向，镜片孔12包括相连通的左眼镜片孔部和右眼镜片孔部，左眼镜片孔部和右眼镜片孔部构成一个类似B字形的通孔，如此设计，使得用户左眼和右眼对应的区域无障碍物，提高进入用户眼镜的图像完整性。在左眼镜片孔部和右眼镜片孔部之间设置弧形缺口13，弧形缺口13与贴脸弹片30的鼻托部对应。
贴脸弹片30的中部朝向支架10凹陷，沿镜框14从左至右的方向，贴脸弹片30大致呈弧形，贴脸弹片30的轮廓形状与用户的面部相似的轮廓，更具地说，贴脸弹片30的轮廓形状与用户鼻子上方的面部轮廓相似，当用户佩戴面罩时贴脸弹片30可与用户的面部贴合。贴脸弹片30由弹性材料制成的，使得贴脸弹片在外力作用下可以发生形变，以使贴脸弹片可以与不同脸型贴合，提高面罩的适用性。
在本实施例中，贴脸弹片30包括环形弹片31，环形弹片31为片状且内部具有开口的弹性片，环形弹片31内部的开口为目镜孔32，显示装置显示的内容通过镜片孔12和目镜孔32后进入到用户的眼睛。环形弹片31的形状近似于跑道形，环形弹片31包括相对设置的左侧边和右侧边，以及相对设置的上侧边和下侧边，其中，上侧边和下侧边为环形弹片的两个长边，左侧边和右侧边为环形弹片的两个短边，上侧边和下侧边位于左侧边和右侧边之间，并分别与左侧边和右侧边连接，左侧边、右侧边、上侧边和下侧边为一体结构，左侧边、右侧边、上侧边和下侧边围成目镜孔12。目镜孔12包括相连通的左目镜孔部和右目镜孔部，左目镜孔部和右目镜孔部位于鼻托部33两侧，左目镜孔部和右目镜孔部彼此相对的一侧相连通。左目镜孔部与镜框14中的左眼镜片孔12对应，右目镜孔部与镜框 14中的右眼镜片孔12对应。左目镜孔部的面积和右目镜孔部的面板一般比镜片孔12的面积大，以扩大目镜孔的视野，以免贴脸弹片阻挡显示设备发生显示光线。
环形弹片31背离支架10的表面为贴脸面，贴脸面为与用户面部贴合的面。环形弹片31的各侧边的宽度大于环形弹片的厚度，使得环形弹片31的贴脸面与用户面部贴合时，环形弹片31与用户面部的接触面积较大，防止或减轻用户长时间佩戴面罩时，环形弹片31勒入用户面部，导致用户面部留有明显压痕或勒痕。
环形弹片31的左侧边、右侧边分别通过弹性支撑件20与框板11的左右两侧连接。环形弹片31的上侧边和下侧边均呈弧形，环形弹片31的下侧边中部朝向支架10凹陷，形成鼻托部33，如图11和图12所示，构成鼻托部33的部分弹片相对于下侧边中其他区域扭转设定角度，或者说，位于鼻托部33的弹片相对下侧边其他区域的弹片倾斜一定角度，该角度大于0度，小于90度。当用户佩戴该面罩时，位于鼻托部33的部分环形弹片31与用户的鼻子贴合，鼻托部33以外区域的环形弹片31与用户的面部贴合，如此设计，一方面，可以提高贴脸弹片30与用户面部的贴合效果，另一方面，鼻托部33卡在用户的鼻子上以支撑面罩，防止面罩从用户面部滑落，提高面罩的舒适性。
弹性支撑件20的形状与贴脸弹片30的形状相同或相似，弹性支撑件20的大小与贴脸弹片30的大小相同或相近。也就是说，弹性支撑件20也包括环形弹片，环形弹片为片状且内部具有开口的弹性片，环形弹片内部的开口与贴脸弹片30中的目镜孔32对应，以使显示装置显示的内容通过镜片孔12和目镜孔32以及该开口后进入到用户的眼睛。
在本实施例中，如图15和图16所示，弹性支撑件20位于支架10和贴脸弹片30之间，弹性支撑件20的中部与支架10的中部连接，弹性支撑件20的左右两侧分别通过连接件40与贴脸弹片30的左右两侧连接。如此设计，与实施例一中弹性支撑件20为长条状弹性条相比，采用弹性支撑件20为与贴脸弹片30类似或相同的弹性支撑件20连接支架10和贴脸弹片30，可以提高面罩的整体强度较大，使得面罩不易损坏。此外，当用户佩戴实施例三中的面罩时，利用与贴脸弹片30类似或相同的弹性支撑件20支撑贴脸弹片30，使得贴脸弹片30的稳定性更好。
在本申请实施例三提供的面罩中，贴脸弹片30和弹性支撑件20均可在外力状态下产生形变，因此当不同的用户佩戴该面罩时，贴脸弹片30和弹性支撑件20均会出现不同程度的形变，使得贴脸弹片30可以与不用用户的面部贴合，与相关技术中采用多层泡棉来适应不同的脸型相比，不需要采用多层泡棉即可适用于不同的脸型，面罩的贴脸部厚度明显减少，从而提高了面罩的透气性，进而提高了面罩的佩戴舒适性。此外，由于泡棉用量大大减少，因此面罩的体积也可显著减小，提高了面罩的携带便利性。
在上述面罩中，支架10、弹性支撑件20、贴脸弹片30和连接件40的材质可以为塑料、金属或合金，此外，支架10、弹性支撑件20、贴脸弹片30和和连接件40可以为一体成型结构，例如，支架10、弹性支撑件20、贴脸弹片30和和连接件40四者为一体的注塑成型件，但不限于此，支架10、弹性支撑件20、贴脸弹片30和和连接件40四者也可以分别是独立的个体，通过螺钉、焊接或粘结等连接方式形成上述面罩结构。例如，支架10、弹性支撑件20、贴脸弹片30和连接件40四者分别为钛合金件，四者之间通过焊接方式连接在一起。
为了方便用户佩戴，在一种可能的实施方式中，上述面罩通常还包括头带，头带的两 端可与镜框14的左右两侧连接，或者与贴脸弹片30的左右两侧连接，当用户佩戴面罩时，通过调节头带，可以使面罩固定在用户的脸部。同时，头带产生拉力会作用在贴脸弹片30上，使得贴脸弹片30发生形变，从而使得贴脸弹片30的形状与用户的面部匹配，进而使得贴脸弹片贴合在用户的脸部。
本申请实施例三提供的面罩一般还包括遮光布，遮光布一般覆盖在支架10的侧面以及贴脸弹片30的侧面，用于遮盖支架10和贴脸弹片30的空间，防止用户佩戴面罩后外界光线进入到面罩内部。可以理解的是，弹性支撑条20被遮光布覆盖，一方面，可以提高遮光效果，另一方面，可以将弹性支撑条20隐藏在遮光布内侧，使得面罩的外表面设计简洁，提高面罩的美观性。
在一种的可能实施方式中，面罩一般还包括泡棉，且该泡棉为单层泡棉，泡棉一般设置在贴脸弹片30与用户面部贴合的贴脸面上，以提高面罩的佩戴舒适性。泡棉的形状、大小与贴脸弹片30相同或近似，泡棉的中部设置有与目镜孔32对应的通孔，以免泡棉阻挡光线进入用户眼镜，确保面罩的视角范围。另外，泡棉一般被包裹在遮光布中，利用遮光布可以保护泡棉，防止泡棉损坏，延长泡棉的使用寿命。
本申请实施例还提供了一种头戴式显示设备，该头戴式显示设备包括上述各实施例所述的面罩，以及设置在面罩的前端的显示装置，其中，面罩的前端是指支架远离贴脸弹片的面。显示装置可以为手机、游戏机或平板电脑等可显示文字、图像或动画等信息的装置。当用户佩戴该头戴式显示设备时，面罩的贴脸弹片与用户的面部贴合，由于贴脸弹片在受到外力作用时可以发生形变，使得贴脸弹片可以根据不同的脸型发生适应性的形变，从而使得贴脸弹片可以与不同用户的面部贴合，与相关技术中需要采用多层泡棉来适应不同的脸型相比，大大减少了面罩的贴脸部的泡棉用量，提高了面罩透气性，进而提高了面罩的佩戴舒适性。此外，由于泡棉用量大量减少，因此面罩的体积也可显著减小，提高了面罩的携带便利性。
在本说明书的描述中，参考术语“一个实施方式”、“一些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合实施方式或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (18)

  1. 一种面罩，其特征在于，包括支架、弹性支撑件和贴脸弹片，所述支架中设置有镜片孔，所述贴脸弹片通过所述弹性支撑件与所述支架连接，所述贴脸弹片的中部朝向所述支架凹陷，所述贴脸弹片中设置有与所述镜片孔相对的目镜孔，所述贴脸弹片的下侧边中部设置有鼻托部。
  2. 根据权利要求1所述的面罩，其特征在于，所述贴脸弹片为环状弹片，所述环状弹片所围成的孔为所述目镜孔。
  3. 根据权利要求2所述的面罩，其特征在于，所述目镜孔为长条状的方形孔。
  4. 根据权利要求2所述的面罩，其特征在于，所述环状弹片的下侧边中部凹陷形成所述鼻托部，形成所述鼻托部的部分所述环状弹片相对其余部分的所述环状弹片扭转设定角度。
  5. 根据权利要求4所述的面罩，其特征在于，所述目镜孔包括位于所述鼻托部两侧的左目镜孔部和右目镜孔部，所述左目镜孔部和右目镜孔部彼此相对的一侧连通。
  6. 根据权利要求1所述的面罩，其特征在于，所述支架包括框板，所述框板中设置有左眼镜片孔和右眼镜片孔，所述左眼镜片孔和右眼镜片孔构成所述镜片孔。
  7. 根据权利要求6所述的面罩，其特征在于，所述框板的下侧边中部设置有弧形缺口，所述弧形缺口与所述鼻托部相对。
  8. 根据权利要求1所述的面罩，其特征在于，所述支架包括镜框，所述镜框的下侧边中部设置有鼻托部，所述镜框中设置有位于所述鼻托部两侧的左眼镜片孔和右眼镜片孔，所述左眼镜片孔和右眼镜片孔构成所述镜片孔。
  9. 根据权利要求5-8任一项所述的面罩，其特征在于，所述支架中位于所述左眼镜片孔和右眼镜片孔之间的区域设置有至少一个减重孔。
  10. 根据权利要求1所述的面罩，其特征在于，所述支架包括由片状边框，所述片状边框围成孔为所述镜片孔。
  11. 根据权利要求10所述的面罩，其特征在于，所述片状边框的下侧边中部设置有弧形凹陷部，所述弧形凹陷部朝向所述片状边框的上侧边凹陷。
  12. 根据权利要求1所述的面罩，其特征在于，所述弹性支撑件为长条状弹性条。
  13. 根据权利要求10所述的面罩，其特征在于，所述贴脸弹片的左右两侧各通过一个所述长条状弹性条与所述支架的左右两侧连接。
  14. 根据权利要求12或13所述的面罩，其特征在于，所述贴脸弹片的中部通过一个所述长条状弹性条与所述支架的中部连接。
  15. 根据权利要求1所述的面罩，其特征在于，所述弹性支撑件为U形弹性条或V形弹性条，所述贴脸弹片的左右两侧各通过一个所述U形弹性条或V形弹性条与所述支架的左右两侧连接。
  16. 根据权利要求1所述的面罩，其特征在于，所述弹性支撑件为与所述贴脸弹片相同的弹性片，所述弹性支撑件的中部与所述支架的中部连接，所述弹性支撑件的左右两侧与所述贴脸弹片的左右两侧连接。
  17. 根据权利要求1所述的面罩，其特征在于，所述面罩还包括遮光布，所述遮光布遮盖所述贴脸弹片和所述支架之间的空间。
  18. 一种头戴式显示设备，其特征在于，包括如权利要求1-17任一项所述的面罩，以及设置于所述面罩的前端的显示设备。
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